Answered
Can I set simbiology repeat assignment rule state to active or inactive using variants?
You cannot currently use variants to set the Active property of a Rule (or any other object). I agree this is an obvious extensi...

ongeveer 6 jaar ago | 0

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Answered
Vector Variables, Preload, and External matlab functions (in m files) in Simbiology
Currently, SimBiology only supports scalar quantities for species, compartment, and parameter values. However (as you already di...

ongeveer 6 jaar ago | 0

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Answered
Switching a species between an ode evaluation and a specified function (repeat assignments)
Hi, I would take the approach of adding a repeated assignment rule and setting the BoundaryCondition property to true. In som...

ongeveer 6 jaar ago | 0

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Answered
must I use events for discontinuous functions?
Hi, The only other reserved word is "null", which is used in reactions when there are no reactants or no products. For exampl...

ongeveer 6 jaar ago | 0

Answered
must I use events for discontinuous functions?
Hi Jim, There are several issues in your post that I'd like to address. I'll try to go in the order they appear: (1) must ...

ongeveer 6 jaar ago | 1

| accepted

Answered
assign values from logial vector to a new matrix with the same size
You can use an indexing variable like |D| on both the left and right side of an assignment. If I understand your questions, you ...

ongeveer 6 jaar ago | 0

Answered
Control simbiology model from MATLAB command line
I'm not sure what you mean by "control", but let me try to offer some guidance. You can simulate a model from the command line u...

ongeveer 6 jaar ago | 1

Answered
Can I trigger/activate a rule using an event in SimBiology?
If I understand correctly, you could get the desired result by replacing the repeated assignment rule |y = f(x)| with |y = min(f...

ongeveer 6 jaar ago | 0

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Answered
In SimBiology, is there any way to fit multiple data sets to the model with a single set of parameters? How can I do this using Simbiology desktop or coding?
I described a solution to a similar problem <https://www.mathworks.com/matlabcentral/answers/54826-how-to-fit-kinetic-law-parame...

ongeveer 6 jaar ago | 0

Answered
SymBiology - time delays
SimBiology does not currently support delay differential equations. One workaround is to replace the delay with a more mechanist...

ongeveer 6 jaar ago | 1

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Answered
matlab cannot find the datainsert function
Hi, I think you need to use <https://www.mathworks.com/help/database/ug/insert.html |insert|> instead of |datainsert|. The Da...

meer dan 6 jaar ago | 1

Answered
stoichiometry of cell proliferation
I'm not aware of a centralized list of the validation that is performed before simulating a model. However, the requirements for...

meer dan 6 jaar ago | 0

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Answered
redefine mass action kinetics
It's not currently possible to create a custom kinetic law that depends on the reaction's stoichiometry. You will need to manual...

meer dan 6 jaar ago | 0

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Answered
Warning that "Simulation with phi=[] could not be completed" occurred during 'Fit Data' task
You can likely ignore this warning. It means that during parameter estimation, the genetic algorithm selected a "bad" set of par...

meer dan 6 jaar ago | 1

| accepted

Answered
App to convert Simbiology models to .sbproj files
Hi Ivan, The key questions are (1) why do you want to create an EXE app, and (2) what do you really need to accomplish with t...

meer dan 6 jaar ago | 0

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Answered
Stochastic simulation with variable volume
As mentioned on <https://www.mathworks.com/help/simbio/ug/stochastic-solvers.html this page>, rules are not currently supported ...

meer dan 6 jaar ago | 0

Answered
Simbiology problem on derived quantities from kinetic mechanism species
You can use a repeated assignment rule to calculate the total amount of ES in your system. You can read more about rules <https:...

meer dan 6 jaar ago | 0

Answered
time dependent sensitivity analysis
SimBiology has functionality for performing sensitivity analysis. Here’s an example that uses the command-line interface: <https...

meer dan 6 jaar ago | 0

Solved

Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

meer dan 6 jaar ago

Solved

The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

meer dan 6 jaar ago

Solved

How to subtract?
*&plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn* * Imagine you need to subtract one...

meer dan 6 jaar ago

Answered
How to export simbiology model as MATLAB code
I suggest taking the output from |getequations| and saving it to a file. You may be able to manually edit that file to create a ...

meer dan 6 jaar ago | 2

Answered
Simbiology: Generate reactions with a loop
The immediate problem is that MATLAB uses 1-based indexes when indexing into vectors, so you need to make sure that you start at...

meer dan 6 jaar ago | 0

Answered
Error in livescript with the clustergram function
I believe clustergram needs to be updated to work properly in Live Scripts (MLX files). One workaround is to use a regular scrip...

meer dan 6 jaar ago | 0

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Answered
'view' - example: "Error using uimenu"
I believe biograph needs to be updated to work properly in Live Scripts (MLX files). One workaround is to use a regular script (...

meer dan 6 jaar ago | 1

| accepted

Answered
showing strings of text in heatmap (R2017a) images
The example you link to is for a different heatmap function that someone created and uploaded to the MathWorks File Exchange. To...

meer dan 6 jaar ago | 0

Answered
How can I interpret this plot in the output of SimBiology?
This is |normplot| of the residuals. You can read more about |normplot| <https://www.mathworks.com/help/stats/normplot.html here...

meer dan 6 jaar ago | 0

Answered
How can I get the number of logs in SimBiology?
If I understand your question, this is not currently possible. In fact, I would avoid creating a model where parameter values ch...

meer dan 6 jaar ago | 0

Answered
SimBiology error with e^time in reaction rate
Hi, The message about being unable to perform dimensional analysis is a warning, not an error. Your simulation results should...

meer dan 6 jaar ago | 1

| accepted

Answered
How to implement a covariate in SimBiology?
If I understand correctly, you seem to be asking two slightly different things. You're asking how to implement a covariate model...

meer dan 6 jaar ago | 0